$121 Find Cheap Flights from Knoxville to Houston George Bush Airport - Compare and Save

Among airlines operating Knoxville to Houston George Bush Intcntl Airport flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Knoxville and Houston George Bush Intcntl Airport.

Flights from Knoxville to Houston George Bush Intcntl Airport usually depart from Knoxville McGhee Tyson (TYS) and arrive at Houston George Bush Intcntl (IAH).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Knoxville to Houston George Bush Intcntl Airport:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $248 round-trip via Denver Intl (DEN), compared to $360 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Airbus A320-100/200 variants.

One-stop flights from Knoxville to Houston George Bush Intcntl Airport most commonly connect through:

• Dallas/Fort Worth (DFW) - 47% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 42% of one-stop connections
• Denver Intl (DEN) - 6% of one-stop connections
• Charlotte Douglas (CLT) - 3% of one-stop connections

Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

On the Knoxville to Houston George Bush Intcntl Airport route, being flexible with your departure day can save you up to 45%. Saturday is the cheapest day at $304 round-trip on average, while Monday is the most expensive at $550: a $246 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Knoxville to Houston George Bush Intcntl Airport flights, with 67% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Houston George Bush Intcntl Airport are Downtown Houston, George R. Brown Convention Center and Galleria Mall. These are among the most viewed places in Houston George Bush Intcntl Airport on KAYAK.

These are the earliest and latest flight times available from Knoxville to Houston George Bush Intcntl Airport:

• Earliest: departs at 7:00 am and lands at 9:34 am
• Latest: departs at 5:00 pm and lands at 7:34 pm.

The flight takes about 2h 34m.

Last-minute fares on this route - booked within 2 weeks of departure - run 22% above the route average of $346. Book 12 weeks before departure for the lowest fares.

A nonstop flight from Knoxville to Houston George Bush Intcntl Airport takes 2h 34m, covering 770 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $197 to $1,076. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Knoxville to Houston George Bush Intcntl Airport are currently lower than usual. Average one-way flight prices are about $201, which is 29% below the typical average for this route.

Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 4h 40m, compared with 4h 48m via Dallas/Fort Worth (DFW) and 5h 14m via Charlotte Douglas (CLT).

Houston George Bush Intcntl Airport is 1 hour behind Knoxville (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Houston George Bush Intcntl Airport (IAH) hosts 5 major car rental companies, with daily rates starting from around $3 for economy cars. Top options include:
• ACO Rent A Car
• Easirent
• America Car Rental
• Hertz
• Thrifty

Round-trip flights from Knoxville to Houston George Bush Intcntl Airport range from $282 to $443, with an average of $346 over the past 12 months. Anything below $282 counts as a good deal.